reversible network

Polymer network that forms or breaks up as the temperature is changed or under the action of a force.
The junction points in a reversible network are usually small crystallites or glassy domains such as those formed within block copolymers.
PAC, 2007, 79, 1801 (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1815